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OldTechFan96 · 25th Jan 2019, 12:10 am

The audio output transformer and speaker coils all measure what they should.

The speaker was tested by connecting it to a 12w mini mono amplifier and it sounds good.

25th Jan 2019, 12:10 am	#8
OldTechFan96 Octode Join Date: Jul 2017 Location: Newcastle Upon Tyne, Tyne & Wear, UK. Posts: 1,186	Re: Ultra Model 50 (1937) Restoration The audio output transformer and speaker coils all measure what they should. The speaker was tested by connecting it to a 12w mini mono amplifier and it sounds good. Attached Thumbnails